[CentOS] Boot message of a modprobe.d conf file that does not exist

Hi all,

I got a message at boot:
dracut-pre-udev: libkmod: kmod_config_parse:
/etc/modprobe.d/thinkpad_battery.conf line 2: ignoring bad line starting
with 'options'

I have had this file to load modules for my thinkpad (acpi_call &
tp_smapi) but I removed it after recompiling the modules for a new
kernel and using "make install load".

My question is, why this nonexistent file is still demanded.

Thanks in advance
Tim